added more verified book stores

README.md

@@ -35,10 +35,12 @@ This software does not utilize Adobe Digital Editions nor Wine. It is completely
 
 ## Verified Book Sources
 
-Knock has been verified to work on books provided by the following
-* [eBooks.com](https://www.ebooks.com/en-us/), as long as the description says
-    > To download and read this eBook on a PC or Mac:
-    > * Adobe Digital Editions (This is a free app specially developed for eBooks. It's not the same as Adobe Reader, which you probably already have on your computer.)
+Knock should work on any ACSM file, but it has been specifically verified to work on ACSM EPUB files from the following:
+
+* [eBooks.com](https://www.ebooks.com/en-us/)
+* [Rakuten Kobo](https://www.kobo.com/us/en)
+* [Google Books](https://books.google.com/)
+* [Hugendubel.de](https://www.hugendubel.de/de/) (German)
 
 The resulting EPUB file can be read with any EPUB reader.
 

flake.nix

@@ -30,6 +30,18 @@
           cp knock $out/bin
           wrapProgram $out/bin/knock --prefix PATH : ${nixpkgs.lib.makeBinPath [libgourou-utils inept-epub]}
         '';
+
+        meta = {
+          description = "A CLI tool to convert ACSM files to DRM-free EPUB files";
+          homepage = "https://github.com/BentonEdmondson/knock";
+          license = [ nixpkgs.lib.licenses.gpl3Only ];
+          maintainers = [{
+            name = "Benton Edmondson";
+            email = "bentonedmondson@gmail.com";
+          }];
+          # potentially others, but I'm only listed those tested
+          platforms = [ "x86_64-linux" ];
+        };
       };
 
   };